What are the organisms that feed on plant sap and other plant parts called?

What are the organisms that feed on the plant sap and other plant parts called.

How much percentage of all insects are phytophagous which feeds on plant sap and other plant part ?

How much percentage of all insects are phytophagous which feeds on plant sap and other plant part ?

Organisms which feed on dead plants and animals are called

The green substance present in leaves and other parts of plant is called

Give a scientific term for each of the following. (a) The green plants which synthesize food (b) Organisms which feed on plants or plant products (c ) Organisms that can convert dead and decaying organic matter into simpler form.